分子	分母	误差（绝对值）	OK?
3	1	0.281718172	OK
5	2	0.218281828	OK
8	3	0.051615162	OK
11	4	0.031718172	OK
14	5	0.081718172	NG
16	6	0.051615162	NG
19	7	0.003996114	OK
22	8	0.031718172	NG
24	9	0.051615162	NG
27	10	0.018281828	NG
30	11	0.008990899	NG
33	12	0.031718172	NG
35	13	0.025974136	NG
38	14	0.003996114	OK
41	15	0.015051505	NG
43	16	0.030781828	NG
46	17	0.012399476	NG
49	18	0.003940394	OK
52	19	0.018560277	NG
54	20	0.018281828	NG
57	21	0.003996114	NG
60	22	0.008990899	NG
63	23	0.020848606	NG
65	24	0.009948495	NG
68	25	0.001718172	OK
71	26	0.012487402	NG
73	27	0.014578125	NG
76	28	0.003996114	NG
79	29	0.005856103	NG
82	30	0.015051505	NG
84	31	0.008604409	NG
87	32	0.000468172	OK
90	33	0.008990899	NG
92	34	0.012399476	NG
95	35	0.003996114	NG
98	36	0.003940394	NG
101	37	0.011447901	NG
103	38	0.007755513	NG
106	39	0.000333111	OK
109	40	0.006718172	NG
111	41	0.010964755	NG
114	42	0.003996114	NG
117	43	0.002648404	NG
120	44	0.008990899	NG
122	45	0.007170717	NG
125	46	0.000890524	NG
128	47	0.005122427	NG
130	48	0.009948495	NG